A vampire wedding in New Orleans becomes the focal point for a dangerous investigation into a series of mysterious threats against a powerful immortal's employees. Carwyn ap Bryn and Brigid Connor attend the union of their friends, Gavin Wallace and his human bride, expecting a celebration. However, Gavin enlists their help to uncover the identity of a man targeting his human staff, a task that pulls them into a complex conspiracy. The investigation threatens to unravel long-standing alliances within the vampire society, where a single misstep could lead to catastrophic consequences among powerful, ancient beings.

Paladin's Kiss is positioned as a supernatural mystery within the Elemental Covenant series, drawing on the author's established success as a USA Today bestselling author of fantasy fiction. The premise suggests a blend of romantic intrigue and suspense, focusing on the complex social structures of vampire society and the potential for conflict arising from a seemingly minor investigation. The narrative is likely to appeal to readers who enjoy urban fantasy with strong romantic elements and a central mystery that could have far-reaching consequences within its established world.